Opening and closing indicating mechanism with stable indication

Abstract

The utility model discloses a switch-on and switch-off indicating mechanism with stable indication, relates to the technical field of vacuum circuit breakers, and aims to solve the problems that the switch-on and switch-off state of a current vacuum circuit breaker is mainly displayed through electronic equipment, and the operation state of the vacuum circuit breaker is easy to indicate mistakenly when an electric power signal or the electronic equipment breaks down. The vacuum circuit breaker comprises symmetrically arranged bases, a U-shaped shell and a frame-shaped connecting piece are detachably connected between the bases, an insulating substrate is detachably installed on the top of the inner wall of the U-shaped shell, and a switching-on and switching-off indicating plate is arranged on one side of the U-shaped shell. Opening and closing switch assemblies are detachably installed at the bottom of the insulating substrate at equal intervals, an opening and closing indication assembly is fixedly arranged on one side of the bottom of the insulating substrate, and an opening handle assembly is movably installed in one side of the U-shaped shell. The utility model has the advantage of realizing stable indication of the operation state of the vacuum circuit breaker.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum circuit breaker technical field more specifically, relate to a kind of open-close indication mechanism of stable indication. BACKGROUND

[0002] Vacuum circuit breaker is the circuit breaker with vacuum arc-extinguishing chamber, also known as arc-extinguishing can occur in vacuum medium circuit breaker. Vacuum circuit breaker uses vacuum as arc-extinguishing medium, when contact separates, arc is generated between contacts, and arc is extinguished rapidly in vacuum environment, thereby cutting off current, when moving contact and static contact are separated under the action of operating mechanism, arc is generated between contacts. Vapor is emitted from the surface of contact under high temperature, and due to the special shape of contact, a magnetic field is generated when current passes through, and arc moves rapidly along the tangent direction of contact surface under the action of the magnetic field. After part of metal vapor condenses on the metal cylinder, arc is extinguished when natural zero occurs, and the dielectric strength between contacts is restored rapidly.

[0003] At present, the open-close state of traditional vacuum circuit breaker is mainly displayed by electronic equipment. Since electronic equipment relies on power signal transmission during operation, when power signal or electronic equipment fails, it is easy to cause incorrect indication of operating state of vacuum circuit breaker, and it is inconvenient to realize stable indication of operating state of vacuum circuit breaker. In view of this, the present utility model provides a kind of open-close indication mechanism of stable indication. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the shortcomings of prior art, adapting to real needs, providing a kind of open-close indication mechanism of stable indication, to solve the technical problem that the open-close state of current vacuum circuit breaker is mainly displayed by electronic equipment, and it is easy to cause incorrect indication of operating state of vacuum circuit breaker when power signal or electronic equipment fails, and it is inconvenient to realize stable indication of operating state of vacuum circuit breaker.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a kind of open-close indication mechanism of stable indication, including symmetrically arranged base;

[0006] The base is detachably connected with U-shaped shell and frame-shaped connecting piece, the inner wall top of the U-shaped shell is detachably installed with insulating substrate, and the side of the U-shaped shell is provided with open-close indication plate, the bottom of the insulating substrate is equidistantly detachably installed with open-close switch assembly, and the bottom side of the insulating substrate is fixedly provided with open-close indication assembly, the inside of the side of the U-shaped shell is movably installed with opening handle assembly;

[0007] The opening and closing indication assembly comprises a fixed plate connected to the top of the inner wall of the insulating base plate, a linkage lever is rotatably installed inside the bottom end of the fixed plate, one end of the linkage lever is rotatably extended out of the fixed plate and a linkage knob is connected to the outer edge surface of the linkage lever, and the other end of the linkage lever is rotatably extended out of the U-shaped shell and detachably connected with a pointer for cooperating with the opening and closing indication plate to realize the opening and closing indication, and a notch groove is formed in the middle of the end of the linkage knob away from the linkage lever;

[0008] The push rod is movably installed inside the opening and closing switch assembly, and the mounting seat is detachably installed at the bottom of the opening and closing switch assembly, one side of the mounting seat is rotatably installed with an L-shaped plate, the top of one end of the L-shaped plate is provided with a top block located directly below the push rod, and the other end of the L-shaped plate is bent and movably arranged in the notch groove.

[0009] The top block is designed, when the opening and closing switch assembly performs the opening and closing action, the push rod inside the opening and closing switch assembly will change in height with the opening and closing action, the push rod moves downward and exerts a pushing force on the top block during the opening process, so that the L-shaped plate is deflected around the shaft, and the bent end of the L-shaped plate in the notch groove pushes the linkage knob, so that the linkage knob is deflected and drives the linkage lever to rotate, the linkage lever drives the pointer to deflect during rotation, and the opening indication is realized through the cooperation of the pointer and the opening and closing indication plate, the mechanical linkage of the vacuum circuit breaker realizes the operation state indication, and the stable indication of the operation state of the vacuum circuit breaker is realized.

[0010] Preferably, one end of the mounting seat abuts against the bottom of the opening and closing switch assembly, and the other end of the mounting seat is bent downward to form an L-shaped structure, and a shaft is formed on one side of the bent end of the mounting seat.

[0011] Preferably, the L-shaped plate is formed with a circular block on one section of the shaft, the circular block is rotatably sleeved on the outer edge surface of the shaft, and one end of the mounting seat relative to the bent end is detachably connected with the opening and closing switch assembly.

[0012] Preferably, the two ends of the opening and closing indication plate are bent toward one side of the U-shaped shell and are welded and fixed with the U-shaped shell.

[0013] Preferably, a vacuum arc-extinguishing chamber is equidistantly arranged on the upper end surface of the insulating base plate corresponding to the position of the opening and closing switch assembly, and the vacuum arc-extinguishing chamber is detachably connected with the insulating base plate.

[0014] Preferably, a torsional spring is arranged at the rotating connection between the circular block and the shaft.

[0015] Compared with the prior art, the utility model has the advantages of

[0016] The utility model discloses a top block is designed, when the opening and closing switch subassembly is opened and closed, the push rod in the opening and closing switch subassembly will appear height change along with the opening and closing action, and the push rod moves down and exerts the thrust to the top block in the opening process, thereby make L shaped board with the pivot core deflection, thereby through the bending end of L shaped board in the notch groove push away the linkage paddle, thereby make the linkage paddle deflection and drive the linkage lever to rotate, the linkage lever will drive the pointer to deflect in the process of rotation, thereby through the direction cooperation of the pointer and the opening and closing instruction board realizes the opening instruction, realizes the operating state indication through the mechanical linkage of vacuum circuit breaker, can avoid when the operating state indication error condition of vacuum circuit breaker when electric power signal or electronic equipment fails, is favorable to realize the stable indication of vacuum circuit breaker operating state, solved the opening and closing state of vacuum circuit breaker and mainly displayed through electronic equipment, when electric power signal or electronic equipment fails, easily leads to the operating state indication error of vacuum circuit breaker, is not convenient for realizing the stable indication of vacuum circuit breaker operating state problem. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the utility model;

[0018] Figure 2 It is the structure schematic diagram of the utility model Figure 1 under the U-shaped shell dismantling state;

[0019] Figure 3 It is the bottom view of the utility model Figure 2 ;

[0020] Figure 4 It is the cooperation schematic drawing of the opening and closing instruction subassembly and the opening and closing switch subassembly under the closing state of the utility model;

[0021] Figure 5 It is the cooperation schematic drawing of the opening and closing instruction subassembly and the opening and closing switch subassembly under the opening state of the utility model.

[0022] Mark explanation in drawing:

[0023] 1, base;2, frame connecting piece;3, insulating substrate;4, U-shaped shell;5, opening and closing instruction board;6, vacuum arc extinguishing bag;7, opening and closing switch subassembly;8, opening and closing instruction subassembly;801, fixed plate;802, linkage lever;803, pointer;804, linkage paddle;805, notch groove;806, L shaped board;807, round block;808, top block;809, mounting seat;810, pivot;9, opening handle assembly;10, push rod. DETAILED DESCRIPTION

[0024] As Figures 1-5 The utility model relates to a kind of split indication mechanism of stable indication, including symmetrically arranged base 1, detachably connected with U-shaped shell 4 and frame connecting piece 2 between base 1, the inner wall top of U-shaped shell 4 detachably installs insulating substrate 3, and one side of U-shaped shell 4 is provided with split indication board 5, and the bottom equidistant detachably installed of insulating substrate 3 has split switch assembly 7, and the bottom one side of insulating substrate 3 is fixedly provided with split indication assembly 8, one side inside U-shaped shell 4 movably installs split handle assembly 9, split indication assembly 8 includes the fixed plate 801 that top end is structured to connect in the inner wall top of insulating substrate 3, the bottom end inside fixed plate 801 rotatably installs linkage lever 802, one end of linkage lever 802 rotatably passes out fixed plate 801 and outer edge surface is structured to be connected with linkage paddle 804, and the other end of linkage lever 802 rotatably extends and passes out U-shaped shell 4 and detachably connected with pointer 803 for cooperating with split indication board 5 to realize split indication, the inside of linkage paddle 804 far from the one end of linkage lever 802 is centrally provided with gap groove 805, split switch assembly 7 is movably installed with push rod 10 in the inside, and split switch assembly 7 bottom detachably installs mounting seat 809, one side of mounting seat 809 rotatably installs L-shaped plate 806, and one end top of L-shaped plate 806 is structured to form top block 808 located the just below of push rod 10, and the other end of L-shaped plate 806 is bent and movably arranged in gap groove 805.

[0025] In the process of splitting, push rod 10 moves downward and exerts a pushing force on top block 808, so that L-shaped plate 806 is deflected about the axis of rotation 810, so that linkage paddle 804 is pushed by the bent end of L-shaped plate 806 located in gap groove 805, so that linkage paddle 804 is deflected and drives linkage lever 802 to rotate, and linkage lever 802 drives pointer 803 to deflect during rotation, so that split indication is realized by the pointing cooperation of pointer 803 and split indication board 5.

[0026] In the embodiment of the utility model, one end of mounting seat 809 abuts against the bottom of split switch assembly 7, and the other end of mounting seat 809 is bent downward to form an L-shaped structure, the bent end of mounting seat 809 is structured to form a rotation shaft 810, L-shaped plate 806 is structured to form a round block 807 at one segment of rotation shaft 810, and the round block 807 is rotatably sleeved on the outer edge surface of rotation shaft 810, and one end of mounting seat 809 relative to the bent end is detachably connected with split switch assembly 7.

[0027] In the embodiment of the utility model, the two ends of the opening and closing indication board 5 are bent towards the side of the U-shaped shell 4 and are welded and fixed with the U-shaped shell 4, the vacuum arc-extinguishing cover 6 is equidistantly arranged on the upper end face of the insulating base plate 3 corresponding to the position of the opening and closing switch assembly 7, the vacuum arc-extinguishing cover 6 is detachably connected with the insulating base plate 3, and the rotating connection between the round block 807 and the rotating shaft 810 is provided with a torsional spring.

[0028] In the closing process, the push rod 10 moves upwards, so that the push rod 10 slowly separates from the top block 808, the torsional force of the torsional spring is gradually released in the separation process and exerts a reverse thrust on the linkage paddle 804 through the bent end of the L-shaped plate 806, thereby driving the pointer 803 to move reversely through the linkage rod 802, and opening and closing indication is realized.

[0029] Working principle: the embodiment provides a stable opening and closing indication mechanism, when in use, firstly, the opening and closing action of the opening and closing switch assembly 7 drives the push rod 10 to move, in the opening and closing action of the opening and closing switch assembly 7, the push rod 10 in the opening and closing switch assembly 7 appears height change along with the opening and closing action, in the opening process, the push rod 10 moves downwards and exerts a thrust on the top block 808, so that the L-shaped plate 806 is deflected with the axis of the rotating shaft 810, thereby the bent end of the L-shaped plate 806 in the notch groove 805 pushes and extrudes the linkage paddle 804, so that the linkage paddle 804 is deflected and drives the linkage rod 802 to rotate, the linkage rod 802 drives the pointer 803 to deflect in the rotating process, thereby the opening indication is realized through the cooperation of the pointer 803 and the opening and closing indication board 5, in the closing process, the push rod 10 moves upwards, so that the push rod 10 slowly separates from the top block 808, the torsional force of the torsional spring is gradually released in the separation process and exerts a reverse thrust on the linkage paddle 804 through the bent end of the L-shaped plate 806, thereby the pointer 803 is reversely driven to move through the linkage rod 802, and closing indication is realized.

[0030] The embodiment of the utility model discloses the preferable embodiment, but is not limited to this, the ordinary skill in the art, the spirit of the utility model is easily understood according to the above-mentioned embodiment, and different induction and change are made, but as long as not departing from the spirit of the utility model, are within the protection scope of the utility model.

Claims

1. A stable indicating opening and closing indicating mechanism characterized by, The base (1) is symmetrically arranged; The U-shaped shell (4) is detachably connected between the bases (1), the inner wall top of the U-shaped shell (4) is detachably installed with an insulating base plate (3), one side of the U-shaped shell (4) is provided with an opening and closing indication plate (5), the bottom of the insulating base plate (3) is detachably installed with an opening and closing switch assembly (7) at equal intervals, and one side of the bottom of the insulating base plate (3) is fixedly provided with an opening and closing indication assembly (8), and the inside of one side of the U-shaped shell (4) is movably installed with an opening handle assembly (9). The opening and closing indication assembly (8) comprises a fixed plate (801) which is connected to the top of the inner wall of the insulating base plate (3), a linkage rod (802) is rotatably installed at the bottom end of the fixed plate (801), one end of the linkage rod (802) rotatably penetrates out of the fixed plate (801) and is connected with a linkage tab (804) on the outer edge surface, and the other end of the linkage rod (802) rotatably extends out of the U-shaped shell (4) and is detachably connected with a pointer (803) for cooperating with the opening and closing indication plate (5) to realize opening and closing indication, and a notch groove (805) is formed in the end of the linkage tab (804) away from the linkage rod (802). The inside of the opening and closing switch assembly (7) is movably and telescopically installed with a push rod (10), and the bottom of the opening and closing switch assembly (7) is detachably installed with a mounting seat (809), one side of the mounting seat (809) is rotatably installed with an L-shaped plate (806), and the top of one end of the L-shaped plate (806) is formed with a top block (808) located directly below the push rod (10), and the other end of the L-shaped plate (806) is bent and movably arranged in the notch groove (805).

2. A stable indicating on-off indicating mechanism according to claim 1, wherein One end of the mounting seat (809) abuts against the bottom of the opening and closing switch assembly (7), and the other end of the mounting seat (809) is downwardly bent to form an L-shaped structure, and one side of the bent end of the mounting seat (809) is formed with a rotating shaft (810).

3. A stable indicating on-off indicating mechanism according to claim 2, wherein The L-shaped plate (806) is located on a section of the rotating shaft (810) and is formed with a circular block (807), the circular block (807) is rotatably sleeved on the outer edge surface of the rotating shaft (810), and one end of the mounting seat (809) relative to the bent end is detachably connected with the opening and closing switch assembly (7).

4. The stable indicating diverging indicator mechanism of claim 1, wherein, Both ends of the opening and closing indication plate (5) are bent towards one side of the U-shaped shell (4) and are welded and fixed with the U-shaped shell (4).

5. A stable indicating indicating mechanism according to claim 1, wherein The vacuum arc-extinguishing bag (6) is detachably connected with the insulating base plate (3).

6. A stable indicating indicating mechanism according to claim 3, wherein The rotating connection between the circular block (807) and the rotating shaft (810) is provided with a torsional spring.

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